Checklist for eliminating render-blocking resources
Posted: Mon Apr 21, 2025 10:47 am
By now, you've learned that render-blocking resources don't just slow down web pages, they can directly impact user experience, SEO , and conversions.
To help you get everything done, here's a checklist you can follow:
Identify render-blocking resources using browser developer tools or tools like WebPageTest.
Add defer or async attributes to non-critical JavaScript files.
Optimize third-party scripts by loading them asynchronously or deferring them when possible.
Use Intersection Observer to lazy load scripts that are not needed immediately.
Embed your critical CSS (above-the-fold styles) directly into your HTML.
Defer non-critical CSS or load it asynchronously, and remove unused CSS.
Preload important CSS files to give the browser a head start.
Implement progressive rendering techniques like server-side rendering (SSR) or static generation where it makes sense.
Optimize fonts and images to eliminate hidden traps.
Use performance optimization plugins like Site Ground's Speed rcs data taiwan Optimizer to easily automate many of these tasks.
Eliminating render-blocking resources may seem like a fine-tuning exercise. Each of these steps helps eliminate frustrating pauses during page loads. Apply them consistently, and you'll create a more user-friendly experience for your visitors.
From improving user experience to boosting SEO, every optimization counts. When your pages load quickly, visitors stay on your site longer, and search engines take notice.
And the best part? With a tool like SiteGround's Speed Optimizer, you can automate many of these steps and get faster results without much hassle or coding knowledge.
To help you get everything done, here's a checklist you can follow:
Identify render-blocking resources using browser developer tools or tools like WebPageTest.
Add defer or async attributes to non-critical JavaScript files.
Optimize third-party scripts by loading them asynchronously or deferring them when possible.
Use Intersection Observer to lazy load scripts that are not needed immediately.
Embed your critical CSS (above-the-fold styles) directly into your HTML.
Defer non-critical CSS or load it asynchronously, and remove unused CSS.
Preload important CSS files to give the browser a head start.
Implement progressive rendering techniques like server-side rendering (SSR) or static generation where it makes sense.
Optimize fonts and images to eliminate hidden traps.
Use performance optimization plugins like Site Ground's Speed rcs data taiwan Optimizer to easily automate many of these tasks.
Eliminating render-blocking resources may seem like a fine-tuning exercise. Each of these steps helps eliminate frustrating pauses during page loads. Apply them consistently, and you'll create a more user-friendly experience for your visitors.
From improving user experience to boosting SEO, every optimization counts. When your pages load quickly, visitors stay on your site longer, and search engines take notice.
And the best part? With a tool like SiteGround's Speed Optimizer, you can automate many of these steps and get faster results without much hassle or coding knowledge.